Not possible . Bleaching strips will whiten only natural teeth so if you have any porcelain crowns or veneers, there will be noticeable color differences between the dental work and your whiter teeth. hope it helps. Ask cosmetic dentist for appropriate solution for your situation.
No. The chemistry of teeth bleaching is designed to work on natural tooth structure. All types of veneers are man-made and so would be not be effected by the same chemistry. Porcelain type Veneers can be polished to remove surface stain, but while composite veneers can also be polished, the later is microscopically porous and so can become darker over time. For what's best for you, ask your dentist!
No. They may make the tooth behind them more white but porcelain does not bleach.
No. Porcelain, along with all dental materials, will not whiten with bleaching products.
No. If the veneers are porcelain, bleaching will not affect them.